How to add SipHash patch from kernel v4.11 to v4.4.52 to replace the md5 cryptographic function with the Siphash for adding more security in v4.4.52? Can we do this? what is the proper way to do? I was trying to add the patch from below link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2c956a60778cbb6a27e0c7a8a52a91378c90e1d1
but getting error. Can someone help?